#
# arch/arm/boot/Makefile
#
# This file is included by the global makefile so that you can add your own
# architecture-specific flags and dependencies.
#
# This file is subject to the terms and conditions of the GNU General Public
# License.  See the file "COPYING" in the main directory of this archive
# for more details.
#
# Copyright (C) 1995-2002 Russell King
#

#MKIMAGE         := $(srctree)/scripts/mkuboot.sh
MKIMAGE          ?= $(srctree)/arch/arm/boot/mkimage
ifneq ($(MACHINE),)
include $(srctree)/$(MACHINE)/Makefile.boot
endif

# Note: the following conditions must always be true:
#   ZRELADDR == virt_to_phys(PAGE_OFFSET + TEXT_OFFSET)
#   PARAMS_PHYS must be within 4MB of ZRELADDR
#   INITRD_PHYS must be in RAM
ZRELADDR    := $(zreladdr-y)
PARAMS_PHYS := $(params_phys-y)
INITRD_PHYS := $(initrd_phys-y)

export ZRELADDR INITRD_PHYS PARAMS_PHYS

targets := Image zImage xipImage bootpImage uImage uzImage ugImage eclipseinfo

ifeq ($(CONFIG_XIP_KERNEL),y)

$(obj)/xipImage: vmlinux FORCE
	$(call if_changed,objcopy)
	@echo '  Kernel: $@ is ready (physical address: $(CONFIG_XIP_PHYS_ADDR))'

$(obj)/Image $(obj)/zImage: FORCE
	@echo 'Kernel configured for XIP (CONFIG_XIP_KERNEL=y)'
	@echo 'Only the xipImage target is available in this case'
	@false

else

$(obj)/xipImage: FORCE
	@echo 'Kernel not configured for XIP (CONFIG_XIP_KERNEL!=y)'
	@false

$(obj)/Image: vmlinux FORCE
	$(call if_changed,objcopy)
	@echo '  Kernel: $@ is ready'

$(obj)/compressed/vmlinux: $(obj)/Image FORCE
	$(Q)$(MAKE) $(build)=$(obj)/compressed $@

$(obj)/zImage:	$(obj)/compressed/vmlinux FORCE
	$(call if_changed,objcopy)
	@echo '  Kernel: $@ is ready'

endif

#quiet_cmd_uimage = UIMAGE  $@
#      cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \
#		   -C none -a $(LOADADDR) -e $(STARTADDR) \
#		   -n 'Linux-$(KERNELRELEASE)' -d $< $@
#

quiet_cmd_uImage = UIMAGE  $@
      cmd_uImage = $(MKIMAGE) -A arm -O linux -T kernel \
		   -C lzma -a $(LOADADDR) -e $(STARTADDR) \
		   -n 'Linux-$(KERNELRELEASE)' -d $< $@


quiet_cmd_uzImage = UZIMAGE  $@
      cmd_uzImage = $(MKIMAGE) -A arm -O linux -T kernel \
		   -C none -a 0x84000000 -e 0x84000000 \
		   -n 'Linux-$(KERNELRELEASE)' -d $< $@


quiet_cmd_ugImage = ugIMAGE  $@
      cmd_ugImage = $(MKIMAGE) -A arm -O linux -T kernel \
		   -C gzip -a $(LOADADDR) -e $(STARTADDR) \
		   -n 'Linux-$(KERNELRELEASE)' -d $< $@


ifeq ($(CONFIG_ZBOOT_ROM),y)
$(obj)/uImage: LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT)
$(obj)/ugImage: LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT)
else
$(obj)/uImage: LOADADDR=$(ZRELADDR)
$(obj)/ugImage: LOADADDR=$(ZRELADDR)
endif

ifeq ($(CONFIG_THUMB2_KERNEL),y)
# Set bit 0 to 1 so that "mov pc, rx" switches to Thumb-2 mode
$(obj)/uImage: STARTADDR=$(shell echo $(LOADADDR) | sed -e "s/.$$/1/")
$(obj)/ugImage: STARTADDR=$(shell echo $(LOADADDR) | sed -e "s/.$$/1/")
else
$(obj)/uImage: STARTADDR=$(LOADADDR)
$(obj)/ugImage: STARTADDR=$(LOADADDR)
endif

$(obj)/ccImage: vmlinux FORCE
	$(call if_changed,objcopy)
	@echo '  Kernel: $@ is ready'

$(obj)/ccImageg: vmlinux FORCE
	$(call if_changed,objcopy)
	@echo '  Kernel: $@ is ready'

$(obj)/ccImageg.gz:$(obj)/ccImageg FORCE
	@-rm -rf $(obj)/ccImageg.gz 
	@gzip $(obj)/ccImageg
	@echo '  Image $@ is ready'

$(obj)/ccImage.lzma:$(obj)/ccImage FORCE
	@-rm -rf $(obj)/ccImage.lzma 
	@lzma -z -S .lzma $(obj)/ccImage
	@echo '  Image $@ is ready'

$(obj)/uImage:	$(obj)/ccImage.lzma FORCE
	$(call if_changed,uImage)
	@echo '  Image $@ is ready'
$(obj)/eclipseinfo:	FORCE
	$(Q)touch $(obj)/.tmp.c
	$(Q)$(CC) -E -P -v -dD $(NOSTDINC_FLAGS) $(LINUXINCLUDE)     \
		 $(__c_flags) $(modkern_cflags)  $(obj)/.tmp.c
	$(Q)rm -f $(obj)/.tmp.c
$(obj)/uzImage:	$(obj)/zImage FORCE
	$(call if_changed,uzImage)
	@echo '  Image $@ is ready'

$(obj)/ugImage:	$(obj)/ccImageg.gz FORCE
	$(call if_changed,ugImage)
	@echo '  Image $@ is ready'


$(obj)/bootp/bootp: $(obj)/zImage initrd FORCE
	$(Q)$(MAKE) $(build)=$(obj)/bootp $@
	@:

$(obj)/bootpImage: $(obj)/bootp/bootp FORCE
	$(call if_changed,objcopy)
	@echo '  Kernel: $@ is ready'

PHONY += initrd FORCE
initrd:
	@test "$(INITRD_PHYS)" != "" || \
	(echo This machine does not support INITRD; exit -1)
	@test "$(INITRD)" != "" || \
	(echo You must specify INITRD; exit -1)

install: $(obj)/Image
	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
	$(obj)/Image System.map "$(INSTALL_PATH)"

zinstall: $(obj)/zImage
	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
	$(obj)/zImage System.map "$(INSTALL_PATH)"

uinstall: $(obj)/uImage
	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
	$(obj)/uImage System.map "$(INSTALL_PATH)"

zi:
	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
	$(obj)/zImage System.map "$(INSTALL_PATH)"

i:
	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
	$(obj)/Image System.map "$(INSTALL_PATH)"

subdir-	    := bootp compressed
